How would you correct the following mistakes?

Think first, before reading the answers below.

1. The council prepares visits to local galleries.
2. The meeting will be long, so have something to eat before. 
3. Make the order online and a few minutes after, you will get a confirmation email.
4. They will provide you all the information. (something missing)
5. We enjoy a higher level of life than previous generations.
6. We are trying to encourage teens to practise more sport.
7. The castle is placed on the top of a hill.
8. He got into the bathroom to brush his teeth.
9. Religion is a theme that often sparks debate.
10. Coordination is an important point of dancing. 

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